This is a quality NEMA17 Stepper Motor that produces a 4800g/cm of holding torque. The Stepper Motor is very efficient in converting current into torque and velocity. NEMA 17 Stepper Motors are frequently used for Reprap 3D printers (Prusa Mendel i2, Prusa i3, MendelMax, Delta, Rostock, etc) or CNC projects.

Very suitable for DIY projects. For a Reprap 3D printer you typically need 5 pieces.